Least unique integer game 2017

1 1 1 1 1 1 1
2 2 2
3 3 3 3
4
5
6 6
7
8 8
9
10
11 11
12 12
13
17
18
20
45

Least unique integer game 2016

1 1 1 1 1 1 1 1
2
3
4 4 4
5
6
7 7 7
8 8
9 9 9
10
11 11
12 12
21
25
27
30
39
100
25132559

Least unique integer game 2014

1 1 1 1 1 1 1 1
2 2
3 3 3 3 3
4 4 4 4
5 5
6
7
8
9 9
11 11
12
13
17
19
1000
and 2 invalid answers.


Least unique integer game 2011

1 1 1 1 1 1
2 2
3 3
4 4 4 4
5 5
6
7
8 8
9 9
10
11 11

21

9876543219876